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A mononuclear nonheme manganese(III)-acylperoxo complex: Synthesis, characterization, and reactivity studies

Authors
Jeon, HyeriChoi, SeoyeonHong, Seungwoo
Issue Date
Nov-2021
Publisher
WILEY-V C H VERLAG GMBH
Keywords
acylperoxo; C-H bond activation; concerted mechanism; phenol oxidation; reactive intermediate
Citation
BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.42, no.11, pp 1513 - 1518
Pages
6
Journal Title
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
Volume
42
Number
11
Start Page
1513
End Page
1518
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/146148
DOI
10.1002/bkcs.12391
ISSN
0253-2964
1229-5949
Abstract
A mononuclear nonheme manganese(III)-acylperoxo complex bearing a simple picolylamine-based linear ligand was synthesized and characterized by various spectroscopic methods along with theoretical calculations. The reactivity of the manganese(III)-acylperoxo complex was investigated in the oxygen atom transfer, C-H and O-H bond activation reactions. The oxidations of organic substrates followed first-order kinetics with respect to substrates and featured nonradical-type, suggesting that the manganese(III)-acylperoxo complex was the reactive oxidant. The C-H bond activation of hydrocarbon and the O-H bond activation of alcohol proceeded via a rate-limiting H-atom abstraction reaction in a concerted manner.
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